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-rw-r--r--configure.ac3
-rw-r--r--sysdeps/linux-gnu/Makefile.am4
-rw-r--r--sysdeps/linux-gnu/aarch64/Makefile.am25
-rw-r--r--sysdeps/linux-gnu/aarch64/arch.h37
-rw-r--r--sysdeps/linux-gnu/aarch64/fetch.c365
-rw-r--r--sysdeps/linux-gnu/aarch64/plt.c38
-rw-r--r--sysdeps/linux-gnu/aarch64/ptrace.h22
-rw-r--r--sysdeps/linux-gnu/aarch64/regs.c130
-rw-r--r--sysdeps/linux-gnu/aarch64/signalent.h52
-rw-r--r--sysdeps/linux-gnu/aarch64/syscallent.h1100
-rw-r--r--sysdeps/linux-gnu/aarch64/trace.c83
11 files changed, 1857 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac
index c6e6bf0..0e9a124 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
# -*- Autoconf -*-
# This file is part of ltrace.
-# Copyright (C) 2010,2012,2013 Petr Machata, Red Hat Inc.
+# Copyright (C) 2010,2012,2013,2014 Petr Machata, Red Hat Inc.
# Copyright (C) 2010,2011 Joe Damato
# Copyright (C) 2010 Marc Kleine-Budde
# Copyright (C) 2010 Zachary T Welch
@@ -399,6 +399,7 @@ AC_CONFIG_FILES([
Makefile
sysdeps/Makefile
sysdeps/linux-gnu/Makefile
+ sysdeps/linux-gnu/aarch64/Makefile
sysdeps/linux-gnu/alpha/Makefile
sysdeps/linux-gnu/arm/Makefile
sysdeps/linux-gnu/cris/Makefile
diff --git a/sysdeps/linux-gnu/Makefile.am b/sysdeps/linux-gnu/Makefile.am
index ecee577..ec26162 100644
--- a/sysdeps/linux-gnu/Makefile.am
+++ b/sysdeps/linux-gnu/Makefile.am
@@ -1,4 +1,5 @@
# This file is part of ltrace.
+# Copyright (C) 2014 Petr Machata, Red Hat, Inc.
# Copyright (C) 2010,2012 Marc Kleine-Budde, Pengutronix
#
# This program is free software; you can redistribute it and/or
@@ -16,7 +17,8 @@
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
# 02110-1301 USA
-DIST_SUBDIRS = alpha arm cris ia64 m68k metag mips ppc s390 sparc x86
+DIST_SUBDIRS = aarch64 alpha arm cris ia64 m68k metag mips ppc s390 \
+ sparc x86
SUBDIRS = \
$(HOST_CPU)
diff --git a/sysdeps/linux-gnu/aarch64/Makefile.am b/sysdeps/linux-gnu/aarch64/Makefile.am
new file mode 100644
index 0000000..0af4e6e
--- /dev/null
+++ b/sysdeps/linux-gnu/aarch64/Makefile.am
@@ -0,0 +1,25 @@
+# This file is part of ltrace.
+# Copyright (C) 2014 Petr Machata, Red Hat, Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301 USA
+
+noinst_LTLIBRARIES = ../libcpu.la
+
+___libcpu_la_SOURCES = fetch.c plt.c regs.c trace.c
+
+noinst_HEADERS = arch.h ptrace.h signalent.h syscallent.h
+
+MAINTAINERCLEANFILES = Makefile.in
diff --git a/sysdeps/linux-gnu/aarch64/arch.h b/sysdeps/linux-gnu/aarch64/arch.h
new file mode 100644
index 0000000..4137613
--- /dev/null
+++ b/sysdeps/linux-gnu/aarch64/arch.h
@@ -0,0 +1,37 @@
+/*
+ * This file is part of ltrace.
+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+#ifndef LTRACE_AARCH64_ARCH_H
+#define LTRACE_AARCH64_ARCH_H
+
+/* | 31 21 | 20 5 | 4 0 | *
+ * | 1 1 0 1 0 1 0 0 0 0 1 | imm16 | 0 0 0 0 0 | */
+#define BREAKPOINT_VALUE { 0xd4, 0x20, 0, 0 }
+#define BREAKPOINT_LENGTH 4
+#define DECR_PC_AFTER_BREAK 0
+
+#define LT_ELFCLASS ELFCLASS64
+#define LT_ELF_MACHINE EM_AARCH64
+
+#define ARCH_HAVE_FETCH_ARG
+#define ARCH_ENDIAN_BIG
+#define ARCH_HAVE_SIZEOF
+#define ARCH_HAVE_ALIGNOF
+
+#endif /* LTRACE_AARCH64_ARCH_H */
diff --git a/sysdeps/linux-gnu/aarch64/fetch.c b/sysdeps/linux-gnu/aarch64/fetch.c
new file mode 100644
index 0000000..8779f03
--- /dev/null
+++ b/sysdeps/linux-gnu/aarch64/fetch.c
@@ -0,0 +1,365 @@
+/*
+ * This file is part of ltrace.
+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <sys/ptrace.h>
+#include <asm/ptrace.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "fetch.h"
+#include "proc.h"
+#include "type.h"
+#include "value.h"
+
+int aarch64_read_gregs(struct process *proc, struct user_pt_regs *regs);
+int aarch64_read_fregs(struct process *proc, struct user_fpsimd_state *regs);
+
+
+struct fetch_context
+{
+ struct user_pt_regs gregs;
+ struct user_fpsimd_state fpregs;
+ arch_addr_t nsaa;
+ unsigned ngrn;
+ unsigned nsrn;
+ arch_addr_t x8;
+};
+
+static int
+context_init(struct fetch_context *context, struct process *proc)
+{
+ if (aarch64_read_gregs(proc, &context->gregs) < 0
+ || aarch64_read_fregs(proc, &context->fpregs) < 0)
+ return -1;
+
+ context->ngrn = 0;
+ context->nsrn = 0;
+ /* XXX double cast */
+ context->nsaa = (arch_addr_t) (uintptr_t) context->gregs.sp;
+ context->x8 = 0;
+
+ return 0;
+}
+
+struct fetch_context *
+arch_fetch_arg_clone(struct process *proc, struct fetch_context *context)
+{
+ struct fetch_context *ret = malloc(sizeof(*ret));
+ if (ret == NULL)
+ return NULL;
+ return memcpy(ret, context, sizeof(*ret));
+}
+
+static void
+fetch_next_gpr(struct fetch_context *context, unsigned char *buf)
+{
+ uint64_t u = context->gregs.regs[context->ngrn++];
+ memcpy(buf, &u, 8);
+}
+
+static int
+fetch_gpr(struct fetch_context *context, struct value *value, size_t sz)
+{
+ if (sz < 8)
+ sz = 8;
+
+ unsigned char *buf = value_reserve(value, sz);
+ if (buf == NULL)
+ return -1;
+
+ size_t i;
+ for (i = 0; i < sz; i += 8)
+ fetch_next_gpr(context, buf + i);
+
+ return 0;
+}
+
+static void
+fetch_next_sse(struct fetch_context *context, unsigned char *buf, size_t sz)
+{
+ __int128 u = context->fpregs.vregs[context->nsrn++];
+ memcpy(buf, &u, sz);
+}
+
+static int
+fetch_sse(struct fetch_context *context, struct value *value, size_t sz)
+{
+ unsigned char *buf = value_reserve(value, sz);
+ if (buf == NULL)
+ return -1;
+
+ fetch_next_sse(context, buf, sz);
+ return 0;
+}
+
+static int
+fetch_hfa(struct fetch_context *context,
+ struct value *value, struct arg_type_info *hfa_t, size_t count)
+{
+ size_t sz = type_sizeof(value->inferior, hfa_t);
+ unsigned char *buf = value_reserve(value, sz * count);
+ if (buf == NULL)
+ return -1;
+
+ size_t i;
+ for (i = 0; i < count; ++i) {
+ fetch_next_sse(context, buf, sz);
+ buf += sz;
+ }
+ return 0;
+}
+
+static int
+fetch_stack(struct fetch_context *context, struct value *value,
+ size_t align, size_t sz)
+{
+ if (align < 8)
+ align = 8;
+ size_t amount = ((sz + align - 1) / align) * align;
+
+ /* XXX double casts */
+ uintptr_t sp = (uintptr_t) context->nsaa;
+ sp = ((sp + align - 1) / align) * align;
+
+ value_in_inferior(value, (arch_addr_t) sp);
+
+ sp += amount;
+ context->nsaa = (arch_addr_t) sp;
+
+ return 0;
+}
+
+enum convert_method {
+ CVT_ERR = -1,
+ CVT_NOP = 0,
+ CVT_BYREF,
+};
+
+enum fetch_method {
+ FETCH_NOP,
+ FETCH_STACK,
+ FETCH_GPR,
+ FETCH_SSE,
+ FETCH_HFA,
+};
+
+struct fetch_script {
+ enum convert_method c;
+ enum fetch_method f;
+ size_t sz;
+ struct arg_type_info *hfa_t;
+ size_t count;
+};
+
+static struct fetch_script
+pass_arg(struct fetch_context const *context,
+ struct process *proc, struct arg_type_info *info)
+{
+ enum fetch_method cvt = CVT_NOP;
+
+ size_t sz = type_sizeof(proc, info);
+ if (sz == (size_t) -1)
+ return (struct fetch_script) { CVT_ERR, FETCH_NOP, sz };
+
+ switch (info->type) {
+ case ARGTYPE_VOID:
+ return (struct fetch_script) { cvt, FETCH_NOP, sz };
+
+ case ARGTYPE_STRUCT:
+ case ARGTYPE_ARRAY:;
+ size_t count;
+ struct arg_type_info *hfa_t = type_get_hfa_type(info, &count);
+ if (hfa_t != NULL && count <= 4) {
+ if (context->nsrn + count <= 8)
+ return (struct fetch_script)
+ { cvt, FETCH_HFA, sz, hfa_t, count };
+ return (struct fetch_script)
+ { cvt, FETCH_STACK, sz, hfa_t, count };
+ }
+
+ if (sz <= 16) {
+ size_t count = sz / 8;
+ if (context->ngrn + count <= 8)
+ return (struct fetch_script)
+ { cvt, FETCH_GPR, sz };
+ }
+
+ cvt = CVT_BYREF;
+ sz = 8;
+ /* Fall through. */
+
+ case ARGTYPE_POINTER:
+ case ARGTYPE_INT:
+ case ARGTYPE_UINT:
+ case ARGTYPE_LONG:
+ case ARGTYPE_ULONG:
+ case ARGTYPE_CHAR:
+ case ARGTYPE_SHORT:
+ case ARGTYPE_USHORT:
+ if (context->ngrn < 8 && sz <= 8)
+ return (struct fetch_script) { cvt, FETCH_GPR, sz };
+ /* We don't support types wider than 8 bytes as of
+ * now. */
+ assert(sz <= 8);
+
+ return (struct fetch_script) { cvt, FETCH_STACK, sz };
+
+ case ARGTYPE_FLOAT:
+ case ARGTYPE_DOUBLE:
+ if (context->nsrn < 8) {
+ /* ltrace doesn't support float128. */
+ assert(sz <= 8);
+ return (struct fetch_script) { cvt, FETCH_SSE, sz };
+ }
+
+ return (struct fetch_script) { cvt, FETCH_STACK, sz };
+ }
+
+ assert(! "Failed to allocate argument.");
+ abort();
+}
+
+static int
+convert_arg(struct value *value, struct fetch_script how)
+{
+ switch (how.c) {
+ case CVT_NOP:
+ return 0;
+ case CVT_BYREF:
+ return value_pass_by_reference(value);
+ case CVT_ERR:
+ return -1;
+ }
+
+ assert(! "Don't know how to convert argument.");
+ abort();
+}
+
+static int
+fetch_arg(struct fetch_context *context,
+ struct process *proc, struct arg_type_info *info,
+ struct value *value, struct fetch_script how)
+{
+ if (convert_arg(value, how) < 0)
+ return -1;
+
+ switch (how.f) {
+ case FETCH_NOP:
+ return 0;
+
+ case FETCH_STACK:
+ if (how.hfa_t != NULL && how.count != 0 && how.count <= 8)
+ context->nsrn = 8;
+ return fetch_stack(context, value,
+ type_alignof(proc, info), how.sz);
+
+ case FETCH_GPR:
+ return fetch_gpr(context, value, how.sz);
+
+ case FETCH_SSE:
+ return fetch_sse(context, value, how.sz);
+
+ case FETCH_HFA:
+ return fetch_hfa(context, value, how.hfa_t, how.count);
+ }
+
+ assert(! "Don't know how to fetch argument.");
+ abort();
+}
+
+struct fetch_context *
+arch_fetch_arg_init(enum tof type, struct process *proc,
+ struct arg_type_info *ret_info)
+{
+ struct fetch_context *context = malloc(sizeof *context);
+ if (context == NULL || context_init(context, proc) < 0) {
+ fail:
+ free(context);
+ return NULL;
+ }
+
+ /* There's a provision in ARMv8 parameter passing convention
+ * for returning types that, if passed as first argument to a
+ * function, would be passed on stack. For those types, x8
+ * contains an address where the return argument should be
+ * placed. The callee doesn't need to preserve the value of
+ * x8, so we need to fetch it now.
+ *
+ * To my knowledge, there are currently no types where this
+ * holds, but the code is here, utterly untested. */
+
+ struct fetch_script how = pass_arg(context, proc, ret_info);
+ if (how.c == CVT_ERR)
+ goto fail;
+ if (how.c == CVT_NOP && how.f == FETCH_STACK) {
+ /* XXX double cast. */
+ context->x8 = (arch_addr_t) (uintptr_t) context->gregs.regs[8];
+ /* See the comment above about the assert. */
+ assert(! "Unexpected: first argument passed on stack.");
+ abort();
+ }
+
+ return context;
+}
+
+int
+arch_fetch_arg_next(struct fetch_context *context, enum tof type,
+ struct process *proc, struct arg_type_info *info,
+ struct value *value)
+{
+ return fetch_arg(context, proc, info, value,
+ pass_arg(context, proc, info));
+}
+
+int
+arch_fetch_retval(struct fetch_context *context, enum tof type,
+ struct process *proc, struct arg_type_info *info,
+ struct value *value)
+{
+ if (context->x8 != 0) {
+ value_in_inferior(value, context->x8);
+ return 0;
+ }
+
+ if (context_init(context, proc) < 0)
+ return -1;
+
+ return fetch_arg(context, proc, info, value,
+ pass_arg(context, proc, info));
+}
+
+void
+arch_fetch_arg_done(struct fetch_context *context)
+{
+ if (context != NULL)
+ free(context);
+}
+
+size_t
+arch_type_sizeof(struct process *proc, struct arg_type_info *arg)
+{
+ return (size_t) -2;
+}
+
+size_t
+arch_type_alignof(struct process *proc, struct arg_type_info *arg)
+{
+ return (size_t) -2;
+}
diff --git a/sysdeps/linux-gnu/aarch64/plt.c b/sysdeps/linux-gnu/aarch64/plt.c
new file mode 100644
index 0000000..29dc4c9
--- /dev/null
+++ b/sysdeps/linux-gnu/aarch64/plt.c
@@ -0,0 +1,38 @@
+/*
+ * This file is part of ltrace.
+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <gelf.h>
+
+#include "backend.h"
+#include "proc.h"
+#include "library.h"
+#include "ltrace-elf.h"
+
+arch_addr_t
+sym2addr(struct process *proc, struct library_symbol *sym)
+{
+ return sym->enter_addr;
+}
+
+GElf_Addr
+arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela *rela)
+{
+ return lte->plt_addr + 32 + ndx * 16;
+}
diff --git a/sysdeps/linux-gnu/aarch64/ptrace.h b/sysdeps/linux-gnu/aarch64/ptrace.h
new file mode 100644
index 0000000..283c314
--- /dev/null
+++ b/sysdeps/linux-gnu/aarch64/ptrace.h
@@ -0,0 +1,22 @@
+/*
+ * This file is part of ltrace.
+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <sys/ptrace.h>
+#include <asm/ptrace.h>
diff --git a/sysdeps/linux-gnu/aarch64/regs.c b/sysdeps/linux-gnu/aarch64/regs.c
new file mode 100644
index 0000000..06eb72b
--- /dev/null
+++ b/sysdeps/linux-gnu/aarch64/regs.c
@@ -0,0 +1,130 @@
+/*
+ * This file is part of ltrace.
+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <sys/ptrace.h>
+#include <asm/ptrace.h>
+#include <linux/uio.h>
+#include <assert.h>
+#include <stdlib.h>
+
+#include "backend.h"
+#include "proc.h"
+
+#define PC_OFF (32 * 4)
+
+int
+aarch64_read_gregs(struct process *proc, struct user_pt_regs *regs)
+{
+ *regs = (struct user_pt_regs) {};
+ struct iovec iovec;
+ iovec.iov_base = regs;
+ iovec.iov_len = sizeof *regs;
+ return ptrace(PTRACE_GETREGSET, proc->pid, NT_PRSTATUS, &iovec) < 0
+ ? -1 : 0;
+}
+
+int
+aarch64_write_gregs(struct process *proc, struct user_pt_regs *regs)
+{
+ struct iovec iovec;
+ iovec.iov_base = regs;
+ iovec.iov_len = sizeof *regs;
+ return ptrace(PTRACE_SETREGSET, proc->pid, NT_PRSTATUS, &iovec) < 0
+ ? -1 : 0;
+}
+
+int
+aarch64_read_fregs(struct process *proc, struct user_fpsimd_state *regs)
+{
+ *regs = (struct user_fpsimd_state) {};
+ struct iovec iovec;
+ iovec.iov_base = regs;
+ iovec.iov_len = sizeof *regs;
+ return ptrace(PTRACE_GETREGSET, proc->pid, NT_FPREGSET, &iovec) < 0
+ ? -1 : 0;
+}
+
+arch_addr_t
+get_instruction_pointer(struct process *proc)
+{
+ struct user_pt_regs regs;
+ if (aarch64_read_gregs(proc, &regs) < 0) {
+ fprintf(stderr, "get_instruction_pointer: "
+ "Couldn't read registers of %d.\n", proc->pid);
+ return 0;
+ }
+
+ /*
+ char buf[128];
+ sprintf(buf, "cat /proc/%d/maps", proc->pid);
+ system(buf);
+ */
+
+ /* XXX double cast */
+ return (arch_addr_t) (uintptr_t) regs.pc;
+}
+
+void
+set_instruction_pointer(struct process *proc, arch_addr_t addr)
+{
+ struct user_pt_regs regs;
+ if (aarch64_read_gregs(proc, &regs) < 0) {
+ fprintf(stderr, "get_instruction_pointer: "
+ "Couldn't read registers of %d.\n", proc->pid);
+ return;
+ }
+
+ /* XXX double cast */
+ regs.pc = (uint64_t) (uintptr_t) addr;
+
+ if (aarch64_write_gregs(proc, &regs) < 0) {
+ fprintf(stderr, "get_instruction_pointer: "
+ "Couldn't write registers of %d.\n", proc->pid);
+ return;
+ }
+}
+
+arch_addr_t
+get_stack_pointer(struct process *proc)
+{
+ struct user_pt_regs regs;
+ if (aarch64_read_gregs(proc, &regs) < 0) {
+ fprintf(stderr, "get_stack_pointer: "
+ "Couldn't read registers of %d.\n", proc->pid);
+ return 0;
+ }
+
+ /* XXX double cast */
+ return (arch_addr_t) (uintptr_t) regs.sp;
+}
+
+arch_addr_t
+get_return_addr(struct process *proc, arch_addr_t stack_pointer)
+{
+ struct user_pt_regs regs;
+ if (aarch64_read_gregs(proc, &regs) < 0) {
+ fprintf(stderr, "get_return_addr: "
+ "Couldn't read registers of %d.\n", proc->pid);
+ return 0;
+ }
+
+ /* XXX double cast */
+ return (arch_addr_t) (uintptr_t) regs.regs[30];
+}
diff --git a/sysdeps/linux-gnu/aarch64/signalent.h b/sysdeps/linux-gnu/aarch64/signalent.h
new file mode 100644
index 0000000..bf56ebc
--- /dev/null
+++ b/sysdeps/linux-gnu/aarch64/signalent.h
@@ -0,0 +1,52 @@
+/*
+ * This file is part of ltrace.
+ * Copyright (C) 2006 Ian Wienand
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+ "SIG_0", /* 0 */
+ "SIGHUP", /* 1 */
+ "SIGINT", /* 2 */
+ "SIGQUIT", /* 3 */
+ "SIGILL", /* 4 */
+ "SIGTRAP", /* 5 */
+ "SIGABRT", /* 6 */
+ "SIGBUS", /* 7 */
+ "SIGFPE", /* 8 */
+ "SIGKILL", /* 9 */
+ "SIGUSR1", /* 10 */
+ "SIGSEGV", /* 11 */
+ "SIGUSR2", /* 12 */
+ "SIGPIPE", /* 13 */
+ "SIGALRM", /* 14 */
+ "SIGTERM", /* 15 */
+ "SIGSTKFLT", /* 16 */
+ "SIGCHLD", /* 17 */
+ "SIGCONT", /* 18 */
+ "SIGSTOP", /* 19 */
+ "SIGTSTP", /* 20 */
+ "SIGTTIN", /* 21 */
+ "SIGTTOU", /* 22 */
+ "SIGURG", /* 23 */
+ "SIGXCPU", /* 24 */
+ "SIGXFSZ", /* 25 */
+ "SIGVTALRM", /* 26 */
+ "SIGPROF", /* 27 */
+ "SIGWINCH", /* 28 */
+ "SIGIO", /* 29 */
+ "SIGPWR", /* 30 */
+ "SIGSYS", /* 31 */
diff --git a/sysdeps/linux-gnu/aarch64/syscallent.h b/sysdeps/linux-gnu/aarch64/syscallent.h
new file mode 100644
index 0000000..aca8191
--- /dev/null
+++ b/sysdeps/linux-gnu/aarch64/syscallent.h
@@ -0,0 +1,1100 @@
+/*
+ * This file is part of ltrace.
+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+ "io_setup", /* 0 */
+ "io_destroy", /* 1 */
+ "io_submit", /* 2 */
+ "io_cancel", /* 3 */
+ "io_getevents", /* 4 */
+ "setxattr", /* 5 */
+ "lsetxattr", /* 6 */
+ "fsetxattr", /* 7 */
+ "getxattr", /* 8 */
+ "lgetxattr", /* 9 */
+ "fgetxattr", /* 10 */
+ "listxattr", /* 11 */
+ "llistxattr", /* 12 */
+ "flistxattr", /* 13 */
+ "removexattr", /* 14 */
+ "lremovexattr", /* 15 */
+ "fremovexattr", /* 16 */
+ "getcwd", /* 17 */
+ "lookup_dcookie", /* 18 */
+ "eventfd2", /* 19 */
+ "epoll_create1", /* 20 */
+ "epoll_ctl", /* 21 */
+ "epoll_pwait", /* 22 */
+ "dup", /* 23 */
+ "dup3", /* 24 */
+ "fcntl", /* 25 */
+ "inotify_init1", /* 26 */
+ "inotify_add_watch", /* 27 */
+ "inotify_rm_watch", /* 28 */
+ "ioctl", /* 29 */
+ "ioprio_set", /* 30 */
+ "ioprio_get", /* 31 */
+ "flock", /* 32 */
+ "mknodat", /* 33 */
+ "mkdirat", /* 34 */
+ "unlinkat", /* 35 */
+ "symlinkat", /* 36 */
+ "linkat", /* 37 */
+ "renameat", /* 38 */
+ "umount2", /* 39 */
+ "mount", /* 40 */
+ "pivot_root", /* 41 */
+ "nfsservctl", /* 42 */
+ "statfs", /* 43 */
+ "fstatfs", /* 44 */
+ "truncate", /* 45 */
+ "ftruncate", /* 46 */
+ "fallocate", /* 47 */
+ "faccessat", /* 48 */
+ "chdir", /* 49 */
+ "fchdir", /* 50 */
+ "chroot", /* 51 */
+ "fchmod", /* 52 */
+ "fchmodat", /* 53 */
+ "fchownat", /* 54 */
+ "fchown", /* 55 */
+ "openat", /* 56 */
+ "close", /* 57 */
+ "vhangup", /* 58 */
+ "pipe2", /* 59 */
+ "quotactl", /* 60 */
+ "getdents64", /* 61 */
+ "lseek", /* 62 */
+ "read", /* 63 */
+ "write", /* 64 */
+ "readv", /* 65 */
+ "writev", /* 66 */
+ "pread64", /* 67 */
+ "pwrite64", /* 68 */
+ "preadv", /* 69 */
+ "pwritev", /* 70 */
+ "sendfile", /* 71 */
+ "pselect6", /* 72 */
+ "ppoll", /* 73 */
+ "signalfd4", /* 74 */
+ "vmsplice", /* 75 */
+ "splice", /* 76 */
+ "tee", /* 77 */
+ "readlinkat", /* 78 */
+ "fstatat", /* 79 */
+ "fstat", /* 80 */
+ "sync", /* 81 */
+ "fsync", /* 82 */
+ "fdatasync", /* 83 */
+ "sync_file_range", /* 84 */
+ "timerfd_create", /* 85 */
+ "timerfd_settime", /* 86 */
+ "timerfd_gettime", /* 87 */
+ "utimensat", /* 88 */
+ "acct", /* 89 */
+ "capget", /* 90 */
+ "capset", /* 91 */
+ "personality", /* 92 */
+ "exit", /* 93 */
+ "exit_group", /* 94 */
+ "waitid", /* 95 */
+ "set_tid_address", /* 96 */
+ "unshare", /* 97 */
+ "futex", /* 98 */
+ "set_robust_list", /* 99 */
+ "get_robust_list", /* 100 */
+ "nanosleep", /* 101 */
+ "getitimer", /* 102 */
+ "setitimer", /* 103 */
+ "kexec_load", /* 104 */
+ "init_module", /* 105 */
+ "delete_module", /* 106 */
+ "timer_create", /* 107 */
+ "timer_gettime", /* 108 */
+ "timer_getoverrun", /* 109 */
+ "timer_settime", /* 110 */
+ "timer_delete", /* 111 */
+ "clock_settime", /* 112 */
+ "clock_gettime", /* 113 */
+ "clock_getres", /* 114 */
+ "clock_nanosleep", /* 115 */
+ "syslog", /* 116 */
+ "ptrace", /* 117 */
+ "sched_setparam", /* 118 */
+ "sched_setscheduler", /* 119 */
+ "sched_getscheduler", /* 120 */
+ "sched_getparam", /* 121 */
+ "sched_setaffinity", /* 122 */
+ "sched_getaffinity", /* 123 */
+ "sched_yield", /* 124 */
+ "sched_get_priority_max", /* 125 */
+ "sched_get_priority_min", /* 126 */
+ "sched_rr_get_interval", /* 127 */
+ "restart_syscall", /* 128 */
+ "kill", /* 129 */
+ "tkill", /* 130 */
+ "tgkill", /* 131 */
+ "sigaltstack", /* 132 */
+ "rt_sigsuspend", /* 133 */
+ "rt_sigaction", /* 134 */
+ "rt_sigprocmask", /* 135 */
+ "rt_sigpending", /* 136 */
+ "rt_sigtimedwait", /* 137 */
+ "rt_sigqueueinfo", /* 138 */
+ "rt_sigreturn", /* 139 */
+ "setpriority", /* 140 */
+ "getpriority", /* 141 */
+ "reboot", /* 142 */
+ "setregid", /* 143 */
+ "setgid", /* 144 */
+ "setreuid", /* 145 */
+ "setuid", /* 146 */
+ "setresuid", /* 147 */
+ "getresuid", /* 148 */
+ "setresgid", /* 149 */
+ "getresgid", /* 150 */
+ "setfsuid", /* 151 */
+ "setfsgid", /* 152 */
+ "times", /* 153 */
+ "setpgid", /* 154 */
+ "getpgid", /* 155 */
+ "getsid", /* 156 */
+ "setsid", /* 157 */
+ "getgroups", /* 158 */
+ "setgroups", /* 159 */
+ "uname", /* 160 */
+ "sethostname", /* 161 */
+ "setdomainname", /* 162 */
+ "getrlimit", /* 163 */
+ "setrlimit", /* 164 */
+ "getrusage", /* 165 */
+ "umask", /* 166 */
+ "prctl", /* 167 */
+ "getcpu", /* 168 */
+ "gettimeofday", /* 169 */
+ "settimeofday", /* 170 */
+ "adjtimex", /* 171 */
+ "getpid", /* 172 */
+ "getppid", /* 173 */
+ "getuid", /* 174 */
+ "geteuid", /* 175 */
+ "getgid", /* 176 */
+ "getegid", /* 177 */
+ "gettid", /* 178 */
+ "sysinfo", /* 179 */
+ "mq_open", /* 180 */
+ "mq_unlink", /* 181 */
+ "mq_timedsend", /* 182 */
+ "mq_timedreceive", /* 183 */
+ "mq_notify", /* 184 */
+ "mq_getsetattr", /* 185 */
+ "msgget", /* 186 */
+ "msgctl", /* 187 */
+ "msgrcv", /* 188 */
+ "msgsnd", /* 189 */
+ "semget", /* 190 */
+ "semctl", /* 191 */
+ "semtimedop", /* 192 */
+ "semop", /* 193 */
+ "shmget", /* 194 */
+ "shmctl", /* 195 */
+ "shmat", /* 196 */
+ "shmdt", /* 197 */
+ "socket", /* 198 */
+ "socketpair", /* 199 */
+ "bind", /* 200 */
+ "listen", /* 201 */
+ "accept", /* 202 */
+ "connect", /* 203 */
+ "getsockname", /* 204 */
+ "getpeername", /* 205 */
+ "sendto", /* 206 */
+ "recvfrom", /* 207 */
+ "setsockopt", /* 208 */
+ "getsockopt", /* 209 */
+ "shutdown", /* 210 */
+ "sendmsg", /* 211 */
+ "recvmsg", /* 212 */
+ "readahead", /* 213 */
+ "brk", /* 214 */
+ "munmap", /* 215 */
+ "mremap", /* 216 */
+ "add_key", /* 217 */
+ "request_key", /* 218 */
+ "keyctl", /* 219 */
+ "clone", /* 220 */
+ "execve", /* 221 */
+ "mmap", /* 222 */
+ "fadvise64", /* 223 */
+ "swapon", /* 224 */
+ "swapoff", /* 225 */
+ "mprotect", /* 226 */
+ "msync", /* 227 */
+ "mlock", /* 228 */
+ "munlock", /* 229 */
+ "mlockall", /* 230 */
+ "munlockall", /* 231 */
+ "mincore", /* 232 */
+ "madvise", /* 233 */
+ "remap_file_pages", /* 234 */
+ "mbind", /* 235 */
+ "get_mempolicy", /* 236 */
+ "set_mempolicy", /* 237 */
+ "migrate_pages", /* 238 */
+ "move_pages", /* 239 */
+ "rt_tgsigqueueinfo", /* 240 */
+ "perf_event_open", /* 241 */
+ "accept4", /* 242 */
+ "recvmmsg", /* 243 */
+ "arch_specific_syscall", /* 244 */
+ "245", /* 245 */
+ "246", /* 246 */
+ "247", /* 247 */
+ "248", /* 248 */
+ "249", /* 249 */
+ "250", /* 250 */
+ "251", /* 251 */
+ "252", /* 252 */
+ "253", /* 253 */
+ "254", /* 254 */
+ "255", /* 255 */
+ "256", /* 256 */
+ "257", /* 257 */
+ "258", /* 258 */
+ "259", /* 259 */
+ "wait4", /* 260 */
+ "prlimit64", /* 261 */
+ "fanotify_init", /* 262 */
+ "fanotify_mark", /* 263 */
+ "name_to_handle_at", /* 264 */
+ "open_by_handle_at", /* 265 */
+ "clock_adjtime", /* 266 */
+ "syncfs", /* 267 */
+ "setns", /* 268 */
+ "sendmmsg", /* 269 */
+ "process_vm_readv", /* 270 */
+ "process_vm_writev", /* 271 */
+ "kcmp", /* 272 */
+ "finit_module", /* 273 */
+ "syscalls", /* 274 */
+ "275", /* 275 */
+ "276", /* 276 */
+ "277", /* 277 */
+ "278", /* 278 */
+ "279", /* 279 */
+ "280", /* 280 */
+ "281", /* 281 */
+ "282", /* 282 */
+ "283", /* 283 */
+ "284", /* 284 */
+ "285", /* 285 */
+ "286", /* 286 */
+ "287", /* 287 */
+ "288", /* 288 */
+ "289", /* 289 */
+ "290", /* 290 */
+ "291", /* 291 */
+ "292", /* 292 */
+ "293", /* 293 */
+ "294", /* 294 */
+ "295", /* 295 */
+ "296", /* 296 */
+ "297", /* 297 */
+ "298", /* 298 */
+ "299", /* 299 */
+ "300", /* 300 */
+ "301", /* 301 */
+ "302", /* 302 */
+ "303", /* 303 */
+ "304", /* 304 */
+ "305", /* 305 */
+ "306", /* 306 */
+ "307", /* 307 */
+ "308", /* 308 */
+ "309", /* 309 */
+ "310", /* 310 */
+ "311", /* 311 */
+ "312", /* 312 */
+ "313", /* 313 */
+ "314", /* 314 */
+ "315", /* 315 */
+ "316", /* 316 */
+ "317", /* 317 */
+ "318", /* 318 */
+ "319", /* 319 */
+ "320", /* 320 */
+ "321", /* 321 */
+ "322", /* 322 */
+ "323", /* 323 */
+ "324", /* 324 */
+ "325", /* 325 */
+ "326", /* 326 */
+ "327", /* 327 */
+ "328", /* 328 */
+ "329", /* 329 */
+ "330", /* 330 */
+ "331", /* 331 */
+ "332", /* 332 */
+ "333", /* 333 */
+ "334", /* 334 */
+ "335", /* 335 */
+ "336", /* 336 */
+ "337", /* 337 */
+ "338", /* 338 */
+ "339", /* 339 */
+ "340", /* 340 */
+ "341", /* 341 */
+ "342", /* 342 */
+ "343", /* 343 */
+ "344", /* 344 */
+ "345", /* 345 */
+ "346", /* 346 */
+ "347", /* 347 */
+ "348", /* 348 */
+ "349", /* 349 */
+ "350", /* 350 */
+ "351", /* 351 */
+ "352", /* 352 */
+ "353", /* 353 */
+ "354", /* 354 */
+ "355", /* 355 */
+ "356", /* 356 */
+ "357", /* 357 */
+ "358", /* 358 */
+ "359", /* 359 */
+ "360", /* 360 */
+ "361", /* 361 */
+ "362", /* 362 */
+ "363", /* 363 */
+ "364", /* 364 */
+ "365", /* 365 */
+ "366", /* 366 */
+ "367", /* 367 */
+ "368", /* 368 */
+ "369", /* 369 */
+ "370", /* 370 */
+ "371", /* 371 */
+ "372", /* 372 */
+ "373", /* 373 */
+ "374", /* 374 */
+ "375", /* 375 */
+ "376", /* 376 */
+ "377", /* 377 */
+ "378", /* 378 */
+ "379", /* 379 */
+ "380", /* 380 */
+ "381", /* 381 */
+ "382", /* 382 */
+ "383", /* 383 */
+ "384", /* 384 */
+ "385", /* 385 */
+ "386", /* 386 */
+ "387", /* 387 */
+ "388", /* 388 */
+ "389", /* 389 */
+ "390", /* 390 */
+ "391", /* 391 */
+ "392", /* 392 */
+ "393", /* 393 */
+ "394", /* 394 */
+ "395", /* 395 */
+ "396", /* 396 */
+ "397", /* 397 */
+ "398", /* 398 */
+ "399", /* 399 */
+ "400", /* 400 */
+ "401", /* 401 */
+ "402", /* 402 */
+ "403", /* 403 */
+ "404", /* 404 */
+ "405", /* 405 */
+ "406", /* 406 */
+ "407", /* 407 */
+ "408", /* 408 */
+ "409", /* 409 */
+ "410", /* 410 */
+ "411", /* 411 */
+ "412", /* 412 */
+ "413", /* 413 */
+ "414", /* 414 */
+ "415", /* 415 */
+ "416", /* 416 */
+ "417", /* 417 */
+ "418", /* 418 */
+ "419", /* 419 */
+ "420", /* 420 */
+ "421", /* 421 */
+ "422", /* 422 */
+ "423", /* 423 */
+ "424", /* 424 */
+ "425", /* 425 */
+ "426", /* 426 */
+ "427", /* 427 */
+ "428", /* 428 */
+ "429", /* 429 */
+ "430", /* 430 */
+ "431", /* 431 */
+ "432", /* 432 */
+ "433", /* 433 */
+ "434", /* 434 */
+ "435", /* 435 */
+ "436", /* 436 */
+ "437", /* 437 */
+ "438", /* 438 */
+ "439", /* 439 */
+ "440", /* 440 */
+ "441", /* 441 */
+ "442", /* 442 */
+ "443", /* 443 */
+ "444", /* 444 */
+ "445", /* 445 */
+ "446", /* 446 */
+ "447", /* 447 */
+ "448", /* 448 */
+ "449", /* 449 */
+ "450", /* 450 */
+ "451", /* 451 */
+ "452", /* 452 */
+ "453", /* 453 */
+ "454", /* 454 */
+ "455", /* 455 */
+ "456", /* 456 */
+ "457", /* 457 */
+ "458", /* 458 */
+ "459", /* 459 */
+ "460", /* 460 */
+ "461", /* 461 */
+ "462", /* 462 */
+ "463", /* 463 */
+ "464", /* 464 */
+ "465", /* 465 */
+ "466", /* 466 */
+ "467", /* 467 */
+ "468", /* 468 */
+ "469", /* 469 */
+ "470", /* 470 */
+ "471", /* 471 */
+ "472", /* 472 */
+ "473", /* 473 */
+ "474", /* 474 */
+ "475", /* 475 */
+ "476", /* 476 */
+ "477", /* 477 */
+ "478", /* 478 */
+ "479", /* 479 */
+ "480", /* 480 */
+ "481", /* 481 */
+ "482", /* 482 */
+ "483", /* 483 */
+ "484", /* 484 */
+ "485", /* 485 */
+ "486", /* 486 */
+ "487", /* 487 */
+ "488", /* 488 */
+ "489", /* 489 */
+ "490", /* 490 */
+ "491", /* 491 */
+ "492", /* 492 */
+ "493", /* 493 */
+ "494", /* 494 */
+ "495", /* 495 */
+ "496", /* 496 */
+ "497", /* 497 */
+ "498", /* 498 */
+ "499", /* 499 */
+ "500", /* 500 */
+ "501", /* 501 */
+ "502", /* 502 */
+ "503", /* 503 */
+ "504", /* 504 */
+ "505", /* 505 */
+ "506", /* 506 */
+ "507", /* 507 */
+ "508", /* 508 */
+ "509", /* 509 */
+ "510", /* 510 */
+ "511", /* 511 */
+ "512", /* 512 */
+ "513", /* 513 */
+ "514", /* 514 */
+ "515", /* 515 */
+ "516", /* 516 */
+ "517", /* 517 */
+ "518", /* 518 */
+ "519", /* 519 */
+ "520", /* 520 */
+ "521", /* 521 */
+ "522", /* 522 */
+ "523", /* 523 */
+ "524", /* 524 */
+ "525", /* 525 */
+ "526", /* 526 */
+ "527", /* 527 */
+ "528", /* 528 */
+ "529", /* 529 */
+ "530", /* 530 */
+ "531", /* 531 */
+ "532", /* 532 */
+ "533", /* 533 */
+ "534", /* 534 */
+ "535", /* 535 */
+ "536", /* 536 */
+ "537", /* 537 */
+ "538", /* 538 */
+ "539", /* 539 */
+ "540", /* 540 */
+ "541", /* 541 */
+ "542", /* 542 */
+ "543", /* 543 */
+ "544", /* 544 */
+ "545", /* 545 */
+ "546", /* 546 */
+ "547", /* 547 */
+ "548", /* 548 */
+ "549", /* 549 */
+ "550", /* 550 */
+ "551", /* 551 */
+ "552", /* 552 */
+ "553", /* 553 */
+ "554", /* 554 */
+ "555", /* 555 */
+ "556", /* 556 */
+ "557", /* 557 */
+ "558", /* 558 */
+ "559", /* 559 */
+ "560", /* 560 */
+ "561", /* 561 */
+ "562", /* 562 */
+ "563", /* 563 */
+ "564", /* 564 */
+ "565", /* 565 */
+ "566", /* 566 */
+ "567", /* 567 */
+ "568", /* 568 */
+ "569", /* 569 */
+ "570", /* 570 */
+ "571", /* 571 */
+ "572", /* 572 */
+ "573", /* 573 */
+ "574", /* 574 */
+ "575", /* 575 */
+ "576", /* 576 */
+ "577", /* 577 */
+ "578", /* 578 */
+ "579", /* 579 */
+ "580", /* 580 */
+ "581", /* 581 */
+ "582", /* 582 */
+ "583", /* 583 */
+ "584", /* 584 */
+ "585", /* 585 */
+ "586", /* 586 */
+ "587", /* 587 */
+ "588", /* 588 */
+ "589", /* 589 */
+ "590", /* 590 */
+ "591", /* 591 */
+ "592", /* 592 */
+ "593", /* 593 */
+ "594", /* 594 */
+ "595", /* 595 */
+ "596", /* 596 */
+ "597", /* 597 */
+ "598", /* 598 */
+ "599", /* 599 */
+ "600", /* 600 */
+ "601", /* 601 */
+ "602", /* 602 */
+ "603", /* 603 */
+ "604", /* 604 */
+ "605", /* 605 */
+ "606", /* 606 */
+ "607", /* 607 */
+ "608", /* 608 */
+ "609", /* 609 */
+ "610", /* 610 */
+ "611", /* 611 */
+ "612", /* 612 */
+ "613", /* 613 */
+ "614", /* 614 */
+ "615", /* 615 */
+ "616", /* 616 */
+ "617", /* 617 */
+ "618", /* 618 */
+ "619", /* 619 */
+ "620", /* 620 */
+ "621", /* 621 */
+ "622", /* 622 */
+ "623", /* 623 */
+ "624", /* 624 */
+ "625", /* 625 */
+ "626", /* 626 */
+ "627", /* 627 */
+ "628", /* 628 */
+ "629", /* 629 */
+ "630", /* 630 */
+ "631", /* 631 */
+ "632", /* 632 */
+ "633", /* 633 */
+ "634", /* 634 */
+ "635", /* 635 */
+ "636", /* 636 */
+ "637", /* 637 */
+ "638", /* 638 */
+ "639", /* 639 */
+ "640", /* 640 */
+ "641", /* 641 */
+ "642", /* 642 */
+ "643", /* 643 */
+ "644", /* 644 */
+ "645", /* 645 */
+ "646", /* 646 */
+ "647", /* 647 */
+ "648", /* 648 */
+ "649", /* 649 */
+ "650", /* 650 */
+ "651", /* 651 */
+ "652", /* 652 */
+ "653", /* 653 */
+ "654", /* 654 */
+ "655", /* 655 */
+ "656", /* 656 */
+ "657", /* 657 */
+ "658", /* 658 */
+ "659", /* 659 */
+ "660", /* 660 */
+ "661", /* 661 */
+ "662", /* 662 */
+ "663", /* 663 */
+ "664", /* 664 */
+ "665", /* 665 */
+ "666", /* 666 */
+ "667", /* 667 */
+ "668", /* 668 */
+ "669", /* 669 */
+ "670", /* 670 */
+ "671", /* 671 */
+ "672", /* 672 */
+ "673", /* 673 */
+ "674", /* 674 */
+ "675", /* 675 */
+ "676", /* 676 */
+ "677", /* 677 */
+ "678", /* 678 */
+ "679", /* 679 */
+ "680", /* 680 */
+ "681", /* 681 */
+ "682", /* 682 */
+ "683", /* 683 */
+ "684", /* 684 */
+ "685", /* 685 */
+ "686", /* 686 */
+ "687", /* 687 */
+ "688", /* 688 */
+ "689", /* 689 */
+ "690", /* 690 */
+ "691", /* 691 */
+ "692", /* 692 */
+ "693", /* 693 */
+ "694", /* 694 */
+ "695", /* 695 */
+ "696", /* 696 */
+ "697", /* 697 */
+ "698", /* 698 */
+ "699", /* 699 */
+ "700", /* 700 */
+ "701", /* 701 */
+ "702", /* 702 */
+ "703", /* 703 */
+ "704", /* 704 */
+ "705", /* 705 */
+ "706", /* 706 */
+ "707", /* 707 */
+ "708", /* 708 */
+ "709", /* 709 */
+ "710", /* 710 */
+ "711", /* 711 */
+ "712", /* 712 */
+ "713", /* 713 */
+ "714", /* 714 */
+ "715", /* 715 */
+ "716", /* 716 */
+ "717", /* 717 */
+ "718", /* 718 */
+ "719", /* 719 */
+ "720", /* 720 */
+ "721", /* 721 */
+ "722", /* 722 */
+ "723", /* 723 */
+ "724", /* 724 */
+ "725", /* 725 */
+ "726", /* 726 */
+ "727", /* 727 */
+ "728", /* 728 */
+ "729", /* 729 */
+ "730", /* 730 */
+ "731", /* 731 */
+ "732", /* 732 */
+ "733", /* 733 */
+ "734", /* 734 */
+ "735", /* 735 */
+ "736", /* 736 */
+ "737", /* 737 */
+ "738", /* 738 */
+ "739", /* 739 */
+ "740", /* 740 */
+ "741", /* 741 */
+ "742", /* 742 */
+ "743", /* 743 */
+ "744", /* 744 */
+ "745", /* 745 */
+ "746", /* 746 */
+ "747", /* 747 */
+ "748", /* 748 */
+ "749", /* 749 */
+ "750", /* 750 */
+ "751", /* 751 */
+ "752", /* 752 */
+ "753", /* 753 */
+ "754", /* 754 */
+ "755", /* 755 */
+ "756", /* 756 */
+ "757", /* 757 */
+ "758", /* 758 */
+ "759", /* 759 */
+ "760", /* 760 */
+ "761", /* 761 */
+ "762", /* 762 */
+ "763", /* 763 */
+ "764", /* 764 */
+ "765", /* 765 */
+ "766", /* 766 */
+ "767", /* 767 */
+ "768", /* 768 */
+ "769", /* 769 */
+ "770", /* 770 */
+ "771", /* 771 */
+ "772", /* 772 */
+ "773", /* 773 */
+ "774", /* 774 */
+ "775", /* 775 */
+ "776", /* 776 */
+ "777", /* 777 */
+ "778", /* 778 */
+ "779", /* 779 */
+ "780", /* 780 */
+ "781", /* 781 */
+ "782", /* 782 */
+ "783", /* 783 */
+ "784", /* 784 */
+ "785", /* 785 */
+ "786", /* 786 */
+ "787", /* 787 */
+ "788", /* 788 */
+ "789", /* 789 */
+ "790", /* 790 */
+ "791", /* 791 */
+ "792", /* 792 */
+ "793", /* 793 */
+ "794", /* 794 */
+ "795", /* 795 */
+ "796", /* 796 */
+ "797", /* 797 */
+ "798", /* 798 */
+ "799", /* 799 */
+ "800", /* 800 */
+ "801", /* 801 */
+ "802", /* 802 */
+ "803", /* 803 */
+ "804", /* 804 */
+ "805", /* 805 */
+ "806", /* 806 */
+ "807", /* 807 */
+ "808", /* 808 */
+ "809", /* 809 */
+ "810", /* 810 */
+ "811", /* 811 */
+ "812", /* 812 */
+ "813", /* 813 */
+ "814", /* 814 */
+ "815", /* 815 */
+ "816", /* 816 */
+ "817", /* 817 */
+ "818", /* 818 */
+ "819", /* 819 */
+ "820", /* 820 */
+ "821", /* 821 */
+ "822", /* 822 */
+ "823", /* 823 */
+ "824", /* 824 */
+ "825", /* 825 */
+ "826", /* 826 */
+ "827", /* 827 */
+ "828", /* 828 */
+ "829", /* 829 */
+ "830", /* 830 */
+ "831", /* 831 */
+ "832", /* 832 */
+ "833", /* 833 */
+ "834", /* 834 */
+ "835", /* 835 */
+ "836", /* 836 */
+ "837", /* 837 */
+ "838", /* 838 */
+ "839", /* 839 */
+ "840", /* 840 */
+ "841", /* 841 */
+ "842", /* 842 */
+ "843", /* 843 */
+ "844", /* 844 */
+ "845", /* 845 */
+ "846", /* 846 */
+ "847", /* 847 */
+ "848", /* 848 */
+ "849", /* 849 */
+ "850", /* 850 */
+ "851", /* 851 */
+ "852", /* 852 */
+ "853", /* 853 */
+ "854", /* 854 */
+ "855", /* 855 */
+ "856", /* 856 */
+ "857", /* 857 */
+ "858", /* 858 */
+ "859", /* 859 */
+ "860", /* 860 */
+ "861", /* 861 */
+ "862", /* 862 */
+ "863", /* 863 */
+ "864", /* 864 */
+ "865", /* 865 */
+ "866", /* 866 */
+ "867", /* 867 */
+ "868", /* 868 */
+ "869", /* 869 */
+ "870", /* 870 */
+ "871", /* 871 */
+ "872", /* 872 */
+ "873", /* 873 */
+ "874", /* 874 */
+ "875", /* 875 */
+ "876", /* 876 */
+ "877", /* 877 */
+ "878", /* 878 */
+ "879", /* 879 */
+ "880", /* 880 */
+ "881", /* 881 */
+ "882", /* 882 */
+ "883", /* 883 */
+ "884", /* 884 */
+ "885", /* 885 */
+ "886", /* 886 */
+ "887", /* 887 */
+ "888", /* 888 */
+ "889", /* 889 */
+ "890", /* 890 */
+ "891", /* 891 */
+ "892", /* 892 */
+ "893", /* 893 */
+ "894", /* 894 */
+ "895", /* 895 */
+ "896", /* 896 */
+ "897", /* 897 */
+ "898", /* 898 */
+ "899", /* 899 */
+ "900", /* 900 */
+ "901", /* 901 */
+ "902", /* 902 */
+ "903", /* 903 */
+ "904", /* 904 */
+ "905", /* 905 */
+ "906", /* 906 */
+ "907", /* 907 */
+ "908", /* 908 */
+ "909", /* 909 */
+ "910", /* 910 */
+ "911", /* 911 */
+ "912", /* 912 */
+ "913", /* 913 */
+ "914", /* 914 */
+ "915", /* 915 */
+ "916", /* 916 */
+ "917", /* 917 */
+ "918", /* 918 */
+ "919", /* 919 */
+ "920", /* 920 */
+ "921", /* 921 */
+ "922", /* 922 */
+ "923", /* 923 */
+ "924", /* 924 */
+ "925", /* 925 */
+ "926", /* 926 */
+ "927", /* 927 */
+ "928", /* 928 */
+ "929", /* 929 */
+ "930", /* 930 */
+ "931", /* 931 */
+ "932", /* 932 */
+ "933", /* 933 */
+ "934", /* 934 */
+ "935", /* 935 */
+ "936", /* 936 */
+ "937", /* 937 */
+ "938", /* 938 */
+ "939", /* 939 */
+ "940", /* 940 */
+ "941", /* 941 */
+ "942", /* 942 */
+ "943", /* 943 */
+ "944", /* 944 */
+ "945", /* 945 */
+ "946", /* 946 */
+ "947", /* 947 */
+ "948", /* 948 */
+ "949", /* 949 */
+ "950", /* 950 */
+ "951", /* 951 */
+ "952", /* 952 */
+ "953", /* 953 */
+ "954", /* 954 */
+ "955", /* 955 */
+ "956", /* 956 */
+ "957", /* 957 */
+ "958", /* 958 */
+ "959", /* 959 */
+ "960", /* 960 */
+ "961", /* 961 */
+ "962", /* 962 */
+ "963", /* 963 */
+ "964", /* 964 */
+ "965", /* 965 */
+ "966", /* 966 */
+ "967", /* 967 */
+ "968", /* 968 */
+ "969", /* 969 */
+ "970", /* 970 */
+ "971", /* 971 */
+ "972", /* 972 */
+ "973", /* 973 */
+ "974", /* 974 */
+ "975", /* 975 */
+ "976", /* 976 */
+ "977", /* 977 */
+ "978", /* 978 */
+ "979", /* 979 */
+ "980", /* 980 */
+ "981", /* 981 */
+ "982", /* 982 */
+ "983", /* 983 */
+ "984", /* 984 */
+ "985", /* 985 */
+ "986", /* 986 */
+ "987", /* 987 */
+ "988", /* 988 */
+ "989", /* 989 */
+ "990", /* 990 */
+ "991", /* 991 */
+ "992", /* 992 */
+ "993", /* 993 */
+ "994", /* 994 */
+ "995", /* 995 */
+ "996", /* 996 */
+ "997", /* 997 */
+ "998", /* 998 */
+ "999", /* 999 */
+ "1000", /* 1000 */
+ "1001", /* 1001 */
+ "1002", /* 1002 */
+ "1003", /* 1003 */
+ "1004", /* 1004 */
+ "1005", /* 1005 */
+ "1006", /* 1006 */
+ "1007", /* 1007 */
+ "1008", /* 1008 */
+ "1009", /* 1009 */
+ "1010", /* 1010 */
+ "1011", /* 1011 */
+ "1012", /* 1012 */
+ "1013", /* 1013 */
+ "1014", /* 1014 */
+ "1015", /* 1015 */
+ "1016", /* 1016 */
+ "1017", /* 1017 */
+ "1018", /* 1018 */
+ "1019", /* 1019 */
+ "1020", /* 1020 */
+ "1021", /* 1021 */
+ "1022", /* 1022 */
+ "1023", /* 1023 */
+ "open", /* 1024 */
+ "link", /* 1025 */
+ "unlink", /* 1026 */
+ "mknod", /* 1027 */
+ "chmod", /* 1028 */
+ "chown", /* 1029 */
+ "mkdir", /* 1030 */
+ "rmdir", /* 1031 */
+ "lchown", /* 1032 */
+ "access", /* 1033 */
+ "rename", /* 1034 */
+ "readlink", /* 1035 */
+ "symlink", /* 1036 */
+ "utimes", /* 1037 */
+ "stat", /* 1038 */
+ "lstat", /* 1039 */
+ "pipe", /* 1040 */
+ "dup2", /* 1041 */
+ "epoll_create", /* 1042 */
+ "inotify_init", /* 1043 */
+ "eventfd", /* 1044 */
+ "signalfd", /* 1045 */
+ "sendfile", /* 1046 */
+ "ftruncate", /* 1047 */
+ "truncate", /* 1048 */
+ "stat", /* 1049 */
+ "lstat", /* 1050 */
+ "fstat", /* 1051 */
+ "fcntl", /* 1052 */
+ "fadvise64", /* 1053 */
+ "newfstatat", /* 1054 */
+ "fstatfs", /* 1055 */
+ "statfs", /* 1056 */
+ "lseek", /* 1057 */
+ "mmap", /* 1058 */
+ "alarm", /* 1059 */
+ "getpgrp", /* 1060 */
+ "pause", /* 1061 */
+ "time", /* 1062 */
+ "utime", /* 1063 */
+ "creat", /* 1064 */
+ "getdents", /* 1065 */
+ "futimesat", /* 1066 */
+ "select", /* 1067 */
+ "poll", /* 1068 */
+ "epoll_wait", /* 1069 */
+ "ustat", /* 1070 */
+ "vfork", /* 1071 */
+ "oldwait4", /* 1072 */
+ "recv", /* 1073 */
+ "send", /* 1074 */
+ "bdflush", /* 1075 */
+ "umount", /* 1076 */
+ "uselib", /* 1077 */
+ "_sysctl", /* 1078 */
+ "fork", /* 1079 */
diff --git a/sysdeps/linux-gnu/aarch64/trace.c b/sysdeps/linux-gnu/aarch64/trace.c
new file mode 100644
index 0000000..5544b51
--- /dev/null
+++ b/sysdeps/linux-gnu/aarch64/trace.c
@@ -0,0 +1,83 @@
+/*
+ * This file is part of ltrace.
+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ */
+
+#include <sys/ptrace.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <asm/ptrace.h>
+#include <string.h>
+#include <errno.h>
+
+#include "backend.h"
+#include "proc.h"
+
+void
+get_arch_dep(struct process *proc)
+{
+}
+
+int aarch64_read_gregs(struct process *proc, struct user_pt_regs *regs);
+
+/* The syscall instruction is:
+ * | 31 21 | 20 5 | 4 0 |
+ * | 1 1 0 1 0 1 0 0 | 0 0 0 | imm16 | 0 0 0 0 1 | */
+#define SVC_MASK 0xffe0001f
+#define SVC_VALUE 0xd4000001
+
+int
+syscall_p(struct process *proc, int status, int *sysnum)
+{
+ if (WIFSTOPPED(status)
+ && WSTOPSIG(status) == (SIGTRAP | proc->tracesysgood)) {
+
+ struct user_pt_regs regs;
+ if (aarch64_read_gregs(proc, &regs) < 0) {
+ fprintf(stderr, "syscall_p: "
+ "Couldn't read registers of %d.\n", proc->pid);
+ return -1;
+ }
+
+ errno = 0;
+ unsigned long insn = (unsigned long) ptrace(PTRACE_PEEKTEXT,
+ proc->pid,
+ regs.pc - 4, 0);
+ if (insn == -1UL && errno != 0) {
+ fprintf(stderr, "syscall_p: "
+ "Couldn't peek into %d: %s\n", proc->pid,
+ strerror(errno));
+ return -1;
+ }
+
+ insn &= 0xffffffffUL;
+ if ((insn & SVC_MASK) == SVC_VALUE) {
+ *sysnum = regs.regs[8];
+
+ size_t d1 = proc->callstack_depth - 1;
+ if (proc->callstack_depth > 0
+ && proc->callstack[d1].is_syscall
+ && proc->callstack[d1].c_un.syscall == *sysnum)
+ return 2;
+
+ return 1;
+ }
+ }
+
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 03:29:29 +0000